Taking a percentage

jkretzer (34)
My code is computing taxes. The user inputs how they are filing and their taxable income. If the user inputs a 1 (married jointly) I need that tax to calculate as 83% of the total tax rate of a singe filer. This will be inputted under the else if ( status == 1) statement. Could someone get me started and show me how to make married jointly output 83% of the tax rate of a single filer? Thanks








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#include <iostream>
using namespace std;

int main()
{
	//prompt the user to enter filling status
	cout << "Enter the filing status\n"
		<< "(0-single filer, 1-married jointly,\n"
		<< "2-married seperatly, 3-head of household): ";
	int status;
	cin >> status;

	// Prompt the user to enter taxable income
	cout << "Enter the taxable income: ";
	double income;
		cin >> income;

	// Compute Tax
	double tax = 0;


	if ( status == 0)
	{
		//compute tax for single filer
		if (income <= 6000)
			tax = income * 0.10;
		else if (income <= 27950)
			tax = 6000 * 0.10 + (income - 6000) * 0.15;
		else if (income <= 67700)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (income - 27950) * 0.27;
		else if (income <= 141250)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (income - 67700 * 0.30);
		else if (income <= 307050)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (income - 141250) * 0.35;
		else
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (307050 - 141250) * 0.35 + (income - 307050) * 0.386;
	}
	else if (status == 1)
	{



	}
	else if (status == 2)
	{


	}
	else if (status == 3)
	{



	}
	else
	{
		cout << "Error: invalid filing status ";
		return 0;
	}

	//Display results
	cout << "Tax is " << static_cast<int>(tax * 100) / 100.0 << endl;

	return 0;
}
Moschops (7244)

Same calculation as for single filer, with one change at the end.

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else if (status == 1)
	{
//compute tax for single filer
		if (income <= 6000)
			tax = income * 0.10;
		else if (income <= 27950)
			tax = 6000 * 0.10 + (income - 6000) * 0.15;
		else if (income <= 67700)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (income - 27950) * 0.27;
		else if (income <= 141250)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (income - 67700 * 0.30);
		else if (income <= 307050)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (income - 141250) * 0.35;
		else
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (307050 - 141250) * 0.35 + (income - 307050) * 0.386;

                 cout << "Tax is " << tax * 0.83 << endl;

	}
Last edited on
jkretzer (34)
could I do an if else statement for my couts? I am on nothing but apple computers till I get off work lol.

something like this


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//results

if (income < 0) std::cout << "Error: Invalid income ";

else if ( status == 0)
cout << "Tax is " << static_cast<int>(tax * 100) / 100.0 << endl;

else if ( status == 1)
cout << "Tax is " << static_cast<int>(tax* 83) / 100.0 << endl;
Last edited on
jkretzer (34)
Finished Code


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#include <iostream>
using namespace std;

int main()
{
	//prompt the user to enter filling status
	cout << "Enter the filing status\n"
		<< "(0-single filer, 1-married jointly,\n"
		<< "2-married seperatly, 3-head of household): ";
	int status;
	cin >> status;

	// Prompt the user to enter taxable income
	cout << "Enter the taxable income: ";
	double income;
		cin >> income;

	// Compute Tax
	double tax = 0;

	if ( status == 0)
	{
		//compute tax for single filer
		
		if (income <= 6000)
			tax = income * 0.10;
		else if (income <= 27950)
			tax = 6000 * 0.10 + (income - 6000) * 0.15;
		else if (income <= 67700)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (income - 27950) * 0.27;
		else if (income <= 141250)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (income - 67700 * 0.30);
		else if (income <= 307050)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (income - 141250) * 0.35;
		else
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (307050 - 141250) * 0.35 + (income - 307050) * 0.386;

		// Display results
		if (income < 0) std::cout << "Error: Invalid income "; 
		else if (cout << "Tax is " << static_cast<int>(tax * 100) / 100.0 << endl);
	}
	else if (status == 1)
	{
		//compute tax for single filer
		if (income <= 6000)
			tax = income * 0.10;
		else if (income <= 27950)
			tax = 6000 * 0.10 + (income - 6000) * 0.15;
		else if (income <= 67700)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (income - 27950) * 0.27;
		else if (income <= 141250)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (income - 67700 * 0.30);
		else if (income <= 307050)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (income - 141250) * 0.35;
		else
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (307050 - 141250) * 0.35 + (income - 307050) * 0.386;

			// Display results
				if (income < 0) std::cout << "Error: Invalid income "; 
                 else if (cout << "Tax is " << tax * 0.83 << endl);
	}
	else
	{
		cout << "Error: invalid filing status ";
		return 0;
	}

	
	
	return 0;
}
jkretzer (34)
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#include <iostream>
using namespace std;

int main()
{
	//prompt the user to enter filling status
	cout << "Enter the filing status\n"
		<< "(0-single filer, 1-married jointly,\n"
		<< "2-married seperatly, 3-head of household): ";
	int status;
	cin >> status;

	// Prompt the user to enter taxable income
	cout << "Enter the taxable income: ";
	double income;
		cin >> income;

	// Compute Tax
	double tax = 0;

	if ( status == 0)
	{
		//compute tax for single filer
		if (income <= 6000)
			tax = income * 0.10;
		else if (income <= 27950)
			tax = 6000 * 0.10 + (income - 6000) * 0.15;
		else if (income <= 67700)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (income - 27950) * 0.27;
		else if (income <= 141250)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (income - 67700) * 0.30;
		else if (income <= 307050)
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (income - 141250) * 0.35;
		else
			tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (307050 - 141250) * 0.35 + (income - 307050) * 0.386;
		
	}
	else if (status == 1)
	{
		//compute tax for filing jointly
		if (income <= 12000)
			tax = income * 0.10;
		else if (income <= 46700)
			tax = 12000 * 0.10 + (income - 12000) * 0.15;
		else if (income <= 112850)
			tax = 12000 * 0.10 + (46700 - 12000) * 0.15 + (income - 46700) * 0.27;
		else if (income <= 171950)
			tax = 12000 * 0.10 + (46700 - 12000) * 0.15 + (112850 - 46700) * 0.27 + (income - 112850) * 0.30;
		else if (income <= 307050)
			tax = 12000 * 0.10 + (46700 - 12000) * 0.15 + (112850 - 46700) * 0.27 + (171950 - 112850) * 0.30 + (income - 171950) * 0.35;
		else
			tax = 12000 * 0.10 + (46700 - 12000) * 0.15 + (112850 - 46700) * 0.27 + (171950 - 112850) * 0.30 + (307050 - 171950) * 0.35 + (income - 307050) * 0.386;
	}
	else if ( status == 2)
	{
		//compute tax for married filing seperatly
		if (income <= 6000)
			tax = income * 0.10;
		else if (income <= 23350)
			tax = 6000 * 0.10 + (income - 6000) * 0.15;
		else if (income <= 56425)
			tax = 6000 * 0.10 + (23350 - 6000) * 0.15 + (income - 23350) * 0.27;
		else if (income <= 85975)
			tax = 6000 * 0.10 + (23350 - 6000) * 0.15 + (56425 - 23350) * 0.27 + (income - 56425) * 0.30;
		else if (income <= 153525)
			tax = 6000 * 0.10 + (23350 - 6000) * 0.15 + (56425 - 23350) * 0.27 + (85975 - 56425) * 0.30 + (income - 85975) * 0.35;
		else
			tax = 6000 * 0.10 + (23350 - 6000) * 0.15 + (56425 - 23350) * 0.27 + (85975 - 56425) * 0.30 + (153525 - 85975) * 0.35 + (income - 153525) * 0.386;
	}
	else if ( status == 3)
	{
		//compute tax for head of house
		
		if (income <= 10000)
			tax = income * 0.10;
		else if (income <= 37450)
			tax = 10000 * 0.10 + (income - 10000) * 0.15;
		else if (income <= 96700)
			tax = 10000 * 0.10 + (37450 - 10000) * 0.15 + (income - 37450) * 0.27;
		else if (income <= 156600)
			tax = 10000 * 0.10 + (37450 - 10000) * 0.15 + (96700 - 37450) * 0.27 + (income - 96700) * 0.30;
		else if (income <= 307050)
			tax = 10000 * 0.10 + (37450 - 10000) * 0.15 + (96700 - 37450) * 0.27 + (156600 - 96700) * 0.30 + (income - 156600) * 0.35;
		else
			tax = 10000 * 0.10 + (37450 - 10000) * 0.15 + (96700 - 37450) * 0.27 + (156600 - 96700) * 0.30 + (307050 - 156600) * 0.35 + (income - 307050) * 0.386;
	}

	else

	{
		cout << "Error: invalid filing status ";
		return 0;
	}
		//Display invalid income or Tax
	if (income < 0) std::cout << "Error: Invalid income "; 
		else if (cout << "Tax is " << static_cast<int>(tax * 100) / 100.0 << endl);
	
	return 0;
}
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